We must always mangle attribute overloadable functions; even if in a
system header.
- Prevents a codegen crash when anything used anything in tgmath! :)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65200 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/mangle.c b/test/CodeGen/mangle.c
new file mode 100644
index 0000000..fbee412
--- /dev/null
+++ b/test/CodeGen/mangle.c
@@ -0,0 +1,9 @@
+// RUN: clang -arch i386 -emit-llvm -o %t %s &&
+// RUN: grep '@_Z2f0i' %t &&
+// RUN: grep '@_Z2f0l' %t
+
+// Make sure we mangle overloadable, even in C system headers.
+
+# 1 "somesystemheader.h" 1 3 4
+void __attribute__((__overloadable__)) f0(int a) {}
+void __attribute__((__overloadable__)) f0(long b) {}